HCF and LCM Aptitude Questions Practice Question and Answer
8 Q: The LCM of two numbers is 45 times their HCF. If one of the numbers is 125 and sum of HCF and LCM is 1150. The other numbers is-
1505 05f6347313366f3388367654c
5f6347313366f3388367654c- 1225true
- 2235false
- 3240false
- 4250false
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Answer : 1. "225"
Q: The LCM of x2 − 8x + 15 and x2 − 5x + 6 is:
1496 064a5429b65d2524cbf0bef9d
64a5429b65d2524cbf0bef9d- 1(x - 2) (x - 3) (x − 5)true
- 2(x − 6)2 (x + 1) (x − 3)false
- 3(x − 6) (x + 1) (x − 3)false
- 4(x + 6) (x + 1) (x − 3)false
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Answer : 1. " (x - 2) (x - 3) (x − 5) "
Q: The maximum number of students among whom 1001 pens and 910 pencils can be distributed in such a way that each student gets same number of pens and same number of pencils, is:
1464 05db0306bc386724da53b2057
5db0306bc386724da53b2057- 191true
- 2910false
- 31001false
- 41911false
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Answer : 1. "91 "
Q: If the ratio of two numbers is 13 : 15 and their L.C.M. is 39780. Then the numbers are?
1452 05ee99ce3eee45c3b83742e84
5ee99ce3eee45c3b83742e84- 12550 and 3450false
- 22652 and 3060true
- 32250 and 2340false
- 42450 and 3450false
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Answer : 2. "2652 and 3060"
Q: The product of the two numbers is 1500 and their HCF is 10. The number of such possible pairs is/are:
1386 06492dd65dad6f2e01f55de0b
6492dd65dad6f2e01f55de0b- 11false
- 23false
- 34false
- 42true
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Answer : 4. "2"
Q: The HCF of two numbers, each having three digits, is 17 and their LCM is 714. The sum of the numbers will be:
1370 05f07ffff8e448621429dbb31
5f07ffff8e448621429dbb31- 1221true
- 2731false
- 3289false
- 4391false
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Answer : 1. "221 "
Q: A milk in vendor has 21 liters of cow milk, 42 liters of toned milk and 63 liters of double toned milk. If he wanted to pack them in cans so that each can contains same liters of milk and does not want to mix any two kinds of milk in a can, then the least number of cans required is :
1356 05dca4a63f7c0852c4475989d
5dca4a63f7c0852c4475989d- 13false
- 26true
- 39false
- 412false
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Answer : 2. "6"
Q: The sum of two numbers is 232 and their HCF is 29. What is the numbers of such pairs of numbers satisfied the above condition?
1352 060bdfcad05aad558f1cd6f4e
60bdfcad05aad558f1cd6f4e- 10false
- 22true
- 33false
- 41false
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